| Giver | Post | Date |
| lakshmigakkula | If a, b, c and d are distinct numbers, can b be the average of a, b, c | 10-Apr-2024 |
| dck | If a, b, c and d are distinct numbers, can b be the average of a, b, c | 04-Nov-2023 |
| Venke786 | If a, b, c and d are distinct numbers, can b be the average of a, b, c | 31-Jul-2022 |